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R.I.P. Sept. 8, 2018 Senior Member 2 Gol
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Discussion Starter · #1 ·

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thanks, will check it out. :tu
 

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When I was 17 I worked at a garage and they had a '55 GMC that had a Pontiac engine and a 4 speed hydramatic. Was a blast to drive to the parts store.
Jim
 

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My 57 came with the Pontiac 347. One reason why I bought it. It did run but i've replaced it with a 502. I have it on an engine stand, like to find a tri power set up and rebuild. Rebuilds are expensive, main bearing sets are upwards of $150.
 

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I tried to buy an all original 50's GMC with a Pontiac mill out of a guy's backyard a few years back. Wouldnt sell...it used to be his Dads truck. Before then I didnt know they used Pontiac motors either.
 

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I knew a guy down on the border, Bisbee, Az that had a 57 Suburban stored away in a barn that had 347 Pontiac engine in it. He died, all his toys were sold at auction, I heard.
 

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R.I.P. Sept. 8, 2018 Senior Member 2 Gol
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2,665 Posts
Discussion Starter · #13 ·
My 57 GMC 150 (3/4 ton) still has the original 347 Pontiac and manual 4-speed.
I read the 347 has plenty of torque. That's a great truck you have there.:tu
 
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